/*
 * Copyright (c) 2015 Raytheon BBN Technologies Corp
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.poi.xdgf.usermodel.shape;

import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.geom.Path2D;

import org.apache.poi.xdgf.usermodel.XDGFShape;

public class ShapeDebuggerRenderer extends ShapeRenderer {

	ShapeVisitorAcceptor _debugAcceptor = null;
	
	public ShapeDebuggerRenderer() {
		super();
	}
	
	public ShapeDebuggerRenderer(Graphics2D g) {
		super(g);
	}
	
	public void setDebugAcceptor(ShapeVisitorAcceptor acceptor) {
		_debugAcceptor = acceptor;
	}
	
	@Override
	protected Path2D drawPath(XDGFShape shape){
		
		Path2D path = super.drawPath(shape);
		if (_debugAcceptor == null || _debugAcceptor.accept(shape)) {
		
			// show numbers to associate shapes with ids.. doesn't always work
			Font f = _graphics.getFont();
			_graphics.scale(1, -1);
			_graphics.setFont(f.deriveFont(0.05F));
			
			String shapeId = "" +  shape.getID();
			float shapeOffset = -0.1F;
			
			if (shape.hasMasterShape()) {
				shapeId += " MS:" + shape.getMasterShape().getID();
				shapeOffset -= 0.15F;
			}
			
			
			_graphics.drawString(shapeId, shapeOffset, 0);
			_graphics.setFont(f);
			_graphics.scale(1, -1);
		}
		
		return path;
	}

}
